Patent Assignment
Reel/Frame 004037/0080
Assignment of Assignors Interest.
Recorded: 1982-09-17
Pages: 2
Assignor
SHIPLEY, RANDALL S.
Executed: 1981-05-28
Assignee
Covered Property
(1)
Polymerization of Olefins in the Presence of Catalyst Prepared from Organo Zirconium-Chromium Mixtures
Patent:
4,361,685 →
Application:
06/269,222 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Released by Secured Party
Apr 6, 1989
From: NATIONAL BANK OF CANADA; ROYAL BANK OF CANADA, THE; FIRST NATIONAL BANK OF BOSTON, THE
To: WARRINGTON, INC.,; WARRINGTON PRODUCTS INC.
Reel/Frame 005091/0501 →
Security Interest
Apr 6, 1989
From: WARRINGTON INC., A CANADIAN CORP.; CANSTAR SPORTS GROUP, INC., A CANADAIAN CORP.
To: FIRST NATIONAL BANK OF BOSTON, THE; CANADIAN IMPERIAL BANK OF COMMERCE; BANK OF BOSTON CANADA
Reel/Frame 005091/0508 →